[ 249.130967][ C1] TCP: AO hash mismatch for 10.0.1.1.39660->10.0.254.1.7013 [P.] L3index: 0 [ 249.643565][ C2] TCP: AO hash mismatch for 10.0.1.1.39660->10.0.254.1.7013 [.] L3index: 0 [ 250.155629][ C0] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.43110 [.] L3index: 0 [ 250.665664][ C3] TCP: AO hash mismatch for 10.0.254.1.7014->10.0.1.1.43110 [P.] L3index: 0 [ 252.785361][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.